Step-by-step explanation:
8 + 12
20
4 - 6 × 2 + 5
use pemdas
4 - 12 + 5
-8 + 5
-3
20:-3
focus on one side at a time
9+4+7+3+10+9=42
42÷6= 34.5. I believe "mean" is the same as avgerage.
This question doesn't make sence to me could you explain
Step-by-step explanation:
x²-xy-xy+y²
x²+2xy+y²
hope it helps
Answer:
the answer is 34.
Step-by-step explanation: